Answer:
3 - a heterogeneous mixture
4- Sweet tea is an homogeneous mixture
For the first one I think it’s A, and I think the second one is C. Those seem most logical.
The answer is 6 moles.
Since the mole ratio of ch4 to o is 1:2, and we have 3 moles of ch4, we can just multiple 3 moles by 2 and get 6 moles
Mendeleev arranged the elements in rows in order of increasing mass so that elements with similar properties were in the same column.
So, the answer will be When Mendeleev organized elements in his periodic table in order of increasing mass, elements with similar properties were in the same Column.
D) All three bulbs would go out because the circuit would no longer have a ground thereby deeming it "open".